00631 a2200205 4500 ITTG3312 OSt 20250115011700.0 241215s1987 |||||||||||||||||| #d ITTG ITTG spa 001.6425 M531 VERS.3.3 MICROSOFT MS-DOS : USER'S GUIDE : OPERATING SYSTEM VERSION 3.3 FOR PINE COMPUTERS/ MICROSOFT CORPORATION. USA: MICROSOFT CORP. 1987 IX, 386 P. 23 CM. 3 1.MS-DOS VERSION 3.3 (SISTEMA OPERATIVO). MICROSOFT CORPORATION (USA). ddc 1 20090813 14:23:07 3221 3221 0 0 ddc 0 0 1 1 GEN 2009-08-13 0 001.6425 M531 VERS.3.3 15337 2025-01-15 07:17:00 ej.1 2025-01-15 1 0 0 ddc 0 0 1 1 GEN 2009-08-13 0 001.6425 M531 VERS.3.3 15338 2025-01-15 07:17:00 ej.2 2025-01-15 1 0 0 ddc 0 0 1 1 GEN 2009-08-13 0 001.6425 M531 VERS.3.3 15339 2025-01-15 07:17:00 ej.3 2025-01-15 1